Find the value of x in the diagram
A.
281o
B.
269o
C.
201o
D.
179o
Correct answer is A
a = 34o (alternate angles)
b = 45o (alternate ngles)
a + b = 34 + 45 = 79o
x + 79 = 360(sum of angles at a point)
x = 360 - 79
x = 281o